Generate random single instructions

test/gen_test.go

@@ -0,0 +1,9 @@
+package test
+
+import "testing"
+
+import "github.com/firestuff/subcoding/gen"
+
+func TestRandProgram(t *testing.T) {
+	gen.RandProgram()
+}

test/rand_test.go

@@ -43,7 +43,7 @@ func TestRandBiasedInt64(t *testing.T) {
 	buckets := [127]uint64{}
 
 	for i := 0; i < 1000000; i++ {
-		val := gen.RandBiasedInt64()
+		val := int64(gen.RandBiasedInt64())
 		switch {
 		case val == 0:
 			buckets[63]++